diff options
Diffstat (limited to 'NorthstarDLL/scripts/scriptjson.cpp')
-rw-r--r-- | NorthstarDLL/scripts/scriptjson.cpp | 249 |
1 files changed, 249 insertions, 0 deletions
diff --git a/NorthstarDLL/scripts/scriptjson.cpp b/NorthstarDLL/scripts/scriptjson.cpp new file mode 100644 index 00000000..f41b0457 --- /dev/null +++ b/NorthstarDLL/scripts/scriptjson.cpp @@ -0,0 +1,249 @@ +#include "pch.h" +#include "squirrel/squirrel.h" + +#include "rapidjson/error/en.h" +#include "rapidjson/document.h" +#include "rapidjson/writer.h" +#include "rapidjson/stringbuffer.h" + +#ifdef _MSC_VER +#undef GetObject // fuck microsoft developers +#endif + +template <ScriptContext context> void +DecodeJsonArray(HSquirrelVM* sqvm, rapidjson::GenericValue<rapidjson::UTF8<char>, rapidjson::MemoryPoolAllocator<SourceAllocator>>* arr) +{ + g_pSquirrel<context>->newarray(sqvm, 0); + + for (auto& itr : arr->GetArray()) + { + switch (itr.GetType()) + { + case rapidjson::kObjectType: + DecodeJsonTable<context>(sqvm, &itr); + g_pSquirrel<context>->arrayappend(sqvm, -2); + break; + case rapidjson::kArrayType: + DecodeJsonArray<context>(sqvm, &itr); + g_pSquirrel<context>->arrayappend(sqvm, -2); + break; + case rapidjson::kStringType: + g_pSquirrel<context>->pushstring(sqvm, itr.GetString(), -1); + g_pSquirrel<context>->arrayappend(sqvm, -2); + break; + case rapidjson::kTrueType: + case rapidjson::kFalseType: + g_pSquirrel<context>->pushbool(sqvm, itr.GetBool()); + g_pSquirrel<context>->arrayappend(sqvm, -2); + break; + case rapidjson::kNumberType: + if (itr.IsDouble() || itr.IsFloat()) + g_pSquirrel<context>->pushfloat(sqvm, itr.GetFloat()); + else + g_pSquirrel<context>->pushinteger(sqvm, itr.GetInt()); + g_pSquirrel<context>->arrayappend(sqvm, -2); + break; + } + } +} + +template <ScriptContext context> void +DecodeJsonTable(HSquirrelVM* sqvm, rapidjson::GenericValue<rapidjson::UTF8<char>, rapidjson::MemoryPoolAllocator<SourceAllocator>>* obj) +{ + g_pSquirrel<context>->newtable(sqvm); + + for (auto itr = obj->MemberBegin(); itr != obj->MemberEnd(); itr++) + { + switch (itr->value.GetType()) + { + case rapidjson::kObjectType: + g_pSquirrel<context>->pushstring(sqvm, itr->name.GetString(), -1); + DecodeJsonTable<context>( + sqvm, (rapidjson::GenericValue<rapidjson::UTF8<char>, rapidjson::MemoryPoolAllocator<SourceAllocator>>*)&itr->value); + g_pSquirrel<context>->newslot(sqvm, -3, false); + break; + case rapidjson::kArrayType: + g_pSquirrel<context>->pushstring(sqvm, itr->name.GetString(), -1); + DecodeJsonArray<context>( + sqvm, (rapidjson::GenericValue<rapidjson::UTF8<char>, rapidjson::MemoryPoolAllocator<SourceAllocator>>*)&itr->value); + g_pSquirrel<context>->newslot(sqvm, -3, false); + break; + case rapidjson::kStringType: + g_pSquirrel<context>->pushstring(sqvm, itr->name.GetString(), -1); + g_pSquirrel<context>->pushstring(sqvm, itr->value.GetString(), -1); + + g_pSquirrel<context>->newslot(sqvm, -3, false); + break; + case rapidjson::kTrueType: + case rapidjson::kFalseType: + g_pSquirrel<context>->pushstring(sqvm, itr->name.GetString(), -1); + g_pSquirrel<context>->pushbool(sqvm, itr->value.GetBool()); + g_pSquirrel<context>->newslot(sqvm, -3, false); + break; + case rapidjson::kNumberType: + if (itr->value.IsDouble() || itr->value.IsFloat()) + { + g_pSquirrel<context>->pushstring(sqvm, itr->name.GetString(), -1); + g_pSquirrel<context>->pushfloat(sqvm, itr->value.GetFloat()); + } + else + { + g_pSquirrel<context>->pushstring(sqvm, itr->name.GetString(), -1); + g_pSquirrel<context>->pushinteger(sqvm, itr->value.GetInt()); + } + g_pSquirrel<context>->newslot(sqvm, -3, false); + break; + } + } +} + +template <ScriptContext context> void EncodeJSONTable( + SQTable* table, + rapidjson::GenericValue<rapidjson::UTF8<char>, rapidjson::MemoryPoolAllocator<SourceAllocator>>* obj, + rapidjson::MemoryPoolAllocator<SourceAllocator>& allocator) +{ + for (int i = 0; i < table->_numOfNodes; i++) + { + tableNode* node = &table->_nodes[i]; + if (node->key._Type == OT_STRING) + { + rapidjson::GenericValue<rapidjson::UTF8<char>, rapidjson::MemoryPoolAllocator<SourceAllocator>> newObj(rapidjson::kObjectType); + rapidjson::GenericValue<rapidjson::UTF8<char>, rapidjson::MemoryPoolAllocator<SourceAllocator>> newArray(rapidjson::kArrayType); + + switch (node->val._Type) + { + case OT_STRING: + obj->AddMember( + rapidjson::StringRef(node->key._VAL.asString->_val), rapidjson::StringRef(node->val._VAL.asString->_val), allocator); + break; + case OT_INTEGER: + obj->AddMember(rapidjson::StringRef(node->key._VAL.asString->_val), node->val._VAL.asInteger, allocator); + break; + case OT_FLOAT: + obj->AddMember(rapidjson::StringRef(node->key._VAL.asString->_val), node->val._VAL.asFloat, allocator); + break; + case OT_BOOL: + if (node->val._VAL.asInteger) + { + obj->AddMember(rapidjson::StringRef(node->key._VAL.asString->_val), true, allocator); + } + else + { + obj->AddMember(rapidjson::StringRef(node->key._VAL.asString->_val), false, allocator); + } + break; + case OT_TABLE: + EncodeJSONTable<context>(node->val._VAL.asTable, &newObj, allocator); + obj->AddMember(rapidjson::StringRef(node->key._VAL.asString->_val), newObj, allocator); + break; + case OT_ARRAY: + EncodeJSONArray<context>(node->val._VAL.asArray, &newArray, allocator); + obj->AddMember(rapidjson::StringRef(node->key._VAL.asString->_val), newArray, allocator); + break; + default: + spdlog::warn("SQ_EncodeJSON: squirrel type {} not supported", SQTypeNameFromID(node->val._Type)); + break; + } + } + } +} + +template <ScriptContext context> void EncodeJSONArray( + SQArray* arr, + rapidjson::GenericValue<rapidjson::UTF8<char>, rapidjson::MemoryPoolAllocator<SourceAllocator>>* obj, + rapidjson::MemoryPoolAllocator<SourceAllocator>& allocator) +{ + for (int i = 0; i < arr->_usedSlots; i++) + { + SQObject* node = &arr->_values[i]; + + rapidjson::GenericValue<rapidjson::UTF8<char>, rapidjson::MemoryPoolAllocator<SourceAllocator>> newObj(rapidjson::kObjectType); + rapidjson::GenericValue<rapidjson::UTF8<char>, rapidjson::MemoryPoolAllocator<SourceAllocator>> newArray(rapidjson::kArrayType); + + switch (node->_Type) + { + case OT_STRING: + obj->PushBack(rapidjson::StringRef(node->_VAL.asString->_val), allocator); + break; + case OT_INTEGER: + obj->PushBack(node->_VAL.asInteger, allocator); + break; + case OT_FLOAT: + obj->PushBack(node->_VAL.asFloat, allocator); + break; + case OT_BOOL: + if (node->_VAL.asInteger) + obj->PushBack(rapidjson::StringRef("true"), allocator); + else + obj->PushBack(rapidjson::StringRef("false"), allocator); + break; + case OT_TABLE: + EncodeJSONTable<context>(node->_VAL.asTable, &newObj, allocator); + obj->PushBack(newObj, allocator); + break; + case OT_ARRAY: + EncodeJSONArray<context>(node->_VAL.asArray, &newArray, allocator); + obj->PushBack(newArray, allocator); + break; + default: + spdlog::info("SQ encode Json type {} not supported", SQTypeNameFromID(node->_Type)); + } + } +} + +ADD_SQFUNC( + "table", + DecodeJSON, + "string json, bool fatalParseErrors = false", + "converts a json string to a squirrel table", + ScriptContext::UI | ScriptContext::CLIENT | ScriptContext::SERVER) +{ + const char* pJson = g_pSquirrel<context>->getstring(sqvm, 1); + const bool bFatalParseErrors = g_pSquirrel<context>->getbool(sqvm, 2); + + rapidjson_document doc; + doc.Parse(pJson); + if (doc.HasParseError()) + { + g_pSquirrel<context>->newtable(sqvm); + + std::string sErrorString = fmt::format( + "Failed parsing json file: encountered parse error \"{}\" at offset {}", + GetParseError_En(doc.GetParseError()), + doc.GetErrorOffset()); + + if (bFatalParseErrors) + g_pSquirrel<context>->raiseerror(sqvm, sErrorString.c_str()); + else + spdlog::warn(sErrorString); + + return SQRESULT_NOTNULL; + } + + DecodeJsonTable<context>(sqvm, (rapidjson::GenericValue<rapidjson::UTF8<char>, rapidjson::MemoryPoolAllocator<SourceAllocator>>*)&doc); + return SQRESULT_NOTNULL; +} + +ADD_SQFUNC( + "string", + EncodeJSON, + "table data", + "converts a squirrel table to a json string", + ScriptContext::UI | ScriptContext::CLIENT | ScriptContext::SERVER) +{ + rapidjson_document doc; + doc.SetObject(); + + // temp until this is just the func parameter type + HSquirrelVM* vm = (HSquirrelVM*)sqvm; + SQTable* table = vm->_stackOfCurrentFunction[1]._VAL.asTable; + EncodeJSONTable<context>(table, &doc, doc.GetAllocator()); + + rapidjson::StringBuffer buffer; + rapidjson::Writer<rapidjson::StringBuffer> writer(buffer); + doc.Accept(writer); + const char* pJsonString = buffer.GetString(); + + g_pSquirrel<context>->pushstring(sqvm, pJsonString, -1); + return SQRESULT_NOTNULL; +} |